Patent · US Expired

Liquid conveying catheter

US6186975A · kind A · utility

7Cited by
4References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 29, 1999
Grant dateFeb 13, 2001
Priority date
Expiry dateOct 29, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S604/902
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The present invention provides a liquid conveying catheter comprising a collecting tube inserted into an object for sucking a liquid from its tip, a mixing bar extending through the collecting tube, and a drive unit for rotating the mixing bar. The collecting tube has on its inner wall a helical convex to define a helical groove serving as a flow path.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.